package lab02.Test10;

public class Test10 {
    public static void main(String[] args) {
        ChinaPeople c=new ChinaPeople();
        AmJericanPeople b=new AmJericanPeople();
        BeiJingPeople a=new BeiJingPeople();
        c.say();
        b.say();
        a.say();
    }
}
